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Interleukin-18

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https://www.readbyqxmd.com/read/28531131/the-role-of-interleukin-18-oxidative-stress-and-metabolic-syndrome-in-alzheimer-s-disease
#1
REVIEW
Johanna O Ojala, Elina M Sutinen
The role of interleukins (ILs) and oxidative stress (OS) in precipitating neurodegenerative diseases including sporadic Alzheimer's disease (AD), requires further clarification. In addition to neuropathological hallmarks-extracellular neuritic amyloid-β (Aβ) plaques, neurofibrillary tangles (NFT) containing hyperphosphorylated tau and neuronal loss-chronic inflammation, as well as oxidative and excitotoxic damage, are present in the AD brain. The pathological sequelae and the interaction of these events during the course of AD need further investigation...
May 21, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28526653/genetic-variants-of-interleukin-18-are-associated-with-reduced-risk-of-atrial-fibrillation-in-a-population-from-northeast-china
#2
Ying-Hui Wang, Lin Fu, Bo Wang, Shu-Feng Li, Zhao Sun, Ying Luan
Atrial fibrillation (AF) affects approximately 1-2% of general population. Chronic inflammation plays an important role in AF development and interleukin-18 (IL-18) is a pro-inflammatory cytokine. This study aimed to assess the association of single nucleotide polymorphisms (SNPs) of IL-18 for with AF risk. Blood samples were taken from 243 AF patients and 160 non-AF individuals from a Chinese population and subjected to genotyping for six IL-18 SNPs using the MassArray system. Association of individual SNPs with AF risk was analyzed using SAS version 9...
May 16, 2017: Gene
https://www.readbyqxmd.com/read/28526544/interleukin-18-gene-deletion-protects-against-sepsis-induced-cardiac-dysfunction-by-inhibiting-pp2a-activity
#3
Yoshitaka Okuhara, Shunichi Yokoe, Toshihiro Iwasaku, Akiyo Eguchi, Koichi Nishimura, Wen Li, Makiko Oboshi, Yoshiro Naito, Toshiaki Mano, Michio Asahi, Haruki Okamura, Tohru Masuyama, Shinichi Hirotani
BACKGROUND: Interleukin-18 (IL-18) neutralization protects against lipopolysaccharide (LPS)-induced injuries, including myocardial dysfunction. However, the mechanism is yet to be fully elucidated. The aim of the present study was to determine whether IL-18 gene deletion prevents sepsis-induced cardiac dysfunction and to elucidate the potential mechanisms underlying IL-18-mediated cardiotoxicity by LPS. METHODS AND RESULTS: Ten-week-old male wild-type (WT) and IL-18 knockout (IL-18 KO) mice were intraperitoneally administered LPS...
May 4, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28525945/the-protective-effect-of-luteolin-on-myocardial-ischemia-reperfusion-i-r-injury-through-tlr4-nf-%C3%AE%C2%BAb-nlrp3-inflammasome-pathway
#4
Xu Zhang, Qianming Du, Yan Yang, Jianing Wang, Shuai Dou, Chao Liu, Junguo Duan
The purpose of the present study was to investigate the effect of Luteolin(Lut) on myocardial ischemia reperfusion injury and explore the underlying mechanism. Myocardial ischemia reperfusion injury (I/R) model was induced with 30min of left anterior descending (LAD) occlusion followed by 24h of reperfusion. In vivo, the rats were randomly divided into 5 groups: (1)Sham, (2)I/R, (3)I/R+Lut(40mg/kg), (4)I/R+Lut(80mg/kg) and (5)I/R+Lut(160mg/kg). In vitro, the H9c2 cells were assigned to five groups: (1)control, (2)hypoxia-reoxygenation(H/R), (3)H/R+Lut(5μM), (4)H/R+Lut(10μM) and (5)H/R+Lut(20μM)...
May 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28486191/nlrp4-is-an-essential-negative-regulator-of-fructose-induced-cardiac-injury-in-vitro-and-in-vivo
#5
Yong-Gang Lian, Hai-Ying Zhao, Sheng-Ji Wang, Qin-Liang Xu, Xiang-Jun Xia
High fructose consumption leads to metabolic syndrome and enhances cardiovascular disease risk. However, our knowledge of the molecular mechanism underlying the cardiac disease caused by fructose feeding is still poor. Nod-like receptors (NLRs) are intracellular sensors, responding to a variety of intracellular danger signals to induce injuries. NLRP4 is a negative regulator of nuclear factor-κB (NF-κB) signaling pathway through interactions with kinase IκB kinase (IKK). Here, we illustrated that NLRP4 attenuates pro-inflammatory cytokines releasing, including Transforming growth factor (TGF-β1), Tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-18 (IL-18) and interleukin-6 (IL-6), in fructose-treated cardiac cells by means of RT-qPCR, and western blotting analysis...
May 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28482370/dietary-isoflavone-dependent-and-estradiol-replacement-effects-on-body-weight-in-the-ovariectomized-ovx-rat
#6
Ashley L Russell, Jamie Moran Grimes, Danette F Cruthirds, Joanna Westerfield, Lawren Wooten, Margaret Keil, Michael J Weiser, Michael R Landauer, Robert J Handa, T John Wu, Darwin O Larco
17β-Estradiol is known to regulate energy metabolism and body weight. Ovariectomy results in body weight gain while estradiol administration results in a reversal of weight gain. Isoflavones, found in rodent chow, can mimic estrogenic effects making it crucial to understand the role of these compounds on metabolic regulation. The goal of this study is to examine the effect of dietary isoflavones on body weight regulation in the ovariectomized rat. This study will examine how dietary isoflavones can interact with estradiol treatment to affect body weight...
May 8, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28476556/subclinical-chronic-kidney-disease-modifies-the-diagnosis-of-experimental-acute-kidney-injury
#7
Lena Succar, Timothy J Pianta, Trent Davidson, John W Pickering, Zoltán H Endre
Extensive structural damage within the kidney must be present before serum creatinine increases. However, a subclinical phase of chronic kidney disease (CKD) usually goes undetected. Here we tested whether experimental subclinical CKD would modify functional and damage biomarker profiles of acute kidney injury (AKI). Subclinical CKD was induced in rats by adenine or aristolochic acid models but without increasing serum creatinine. After prolonged recovery (three to six weeks), AKI was induced with a subnephrotoxic dose of cisplatin...
May 2, 2017: Kidney International
https://www.readbyqxmd.com/read/28474577/association-of-inflammatory-cytokines-with-mortality-in-peritoneal-dialysis-patients
#8
Yao-Lung Liu, Jiung-Hsiun Liu, I-Kuan Wang, Shu-Woei Ju, Tung-Min Yu, I-Ru Chen, Yu-Ching Liu, Chung-Ming Huang, Shih-Yi Lin, Chiz-Tzung Chang, Chiu-Ching Huang
AIMS: Previous study on association between pro-inflammatory cytokines and mortality in PD population is limited. We aimed to investigate here. METHODS: Total 50 patients who underwent incident PD were enrolled in this study. We measured the titers of pro-inflammatory cytokines Interleukin-18(IL-18), Interleukin-6 (IL-6), and Interleukin-1ß (IL-1ß). Study outcomes were all-cause mortality, cardiovascular-related mortality, and infection-caused mortality. Cox-regression model was used...
March 2017: BioMedicine
https://www.readbyqxmd.com/read/28468974/cutting-edge-distinct-regulatory-mechanisms-control-proinflammatory-cytokines-il-18-and-il-1%C3%AE
#9
Qifan Zhu, Thirumala-Devi Kanneganti
Interleukin-18 and IL-1β, which are cytokines of the IL-1 family, are synthesized as precursor proteins and activated by the inflammasome via proteolytic processing. IL-1β is only induced in response to inflammatory stimuli, but IL-18 is constitutively expressed. However, how IL-18 and IL-1β expression is regulated by different inflammatory signals remains poorly studied. In this study, we found that IL-18 and IL-1β are differentially regulated. Despite being constitutively expressed, IL-18 expression was increased and sustained after stimulation of TLRs...
May 3, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28460447/sodium-butyrate-improves-porcine-host-defense-peptide-expression-and-relieves-the-inflammatory-response-upon-toll-like-receptor-2-activation-and-histone-deacetylase-inhibition-in-porcine-kidney-cells
#10
Xiujing Dou, Junlan Han, Wentao Song, Na Dong, Xinyao Xu, Wei Zhang, Anshan Shan
Host defense peptides (HDPs) are an important component of the innate immune system and possess direct antimicrobial and immunomodulatory activities. Dietary regulation of HDPs synthesis has emerged as a novel non-antibiotic approach to combat pathogen infection. There are species- and tissue-dependent characteristics of the regulation and mechanism of HDPs. In this study, we investigated whether the histone deacetylase inhibitor (HDACi) sodium butyrate (NaB) could induce HDP expression and the mechanism underlying NaB-regulated HDP expression in PK-15 cells...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28460020/tnf-%C3%AE-and-stnf-rii-are-associated-with-pain-following-hip-fracture-surgery-in-older-adults
#11
Fred C Ko, William J Rubenstein, Eric J Lee, Albert L Siu, R Sean Morrison
Objective.:  To explore whether plasma inflammatory mediators on postoperative day 3 (POD3) are associated with pain scores in older adults after hip fracture surgery. Design.:  Cross-sectional study. Setting. : Mount Sinai Hospital, New York, New York. Subjects. : Forty patients age 60 years or older who presented with acute hip fracture at Mount Sinai Hospital between November 2011 and April 2013. Methods...
April 28, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28448439/ykl-40-induced-inhibition-of-mir-590-3p-promotes-interleukin-18-expression-and-angiogenesis-of-endothelial-progenitor-cells
#12
Te-Mao Li, Shan-Chi Liu, Ya-Hsin Huang, Chien-Chung Huang, Chin-Jung Hsu, Chun-Hao Tsai, Shih-Wei Wang, Chih-Hsin Tang
YKL-40, also known as human cartilage glycoprotein-39 or chitinase-3-like-1, is a pro-inflammatory protein that is highly expressed in rheumatoid arthritis (RA) patients. Angiogenesis is a critical step in the pathogenesis of RA, promoting the infiltration of inflammatory cells into joints and providing oxygen and nutrients to RA pannus. In this study, we examined the effects of YKL-40 in the production of the pro-inflammatory cytokine interleukin-18 (IL-18), and the stimulation of angiogenesis and accumulation of osteoblasts...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28445725/nlrp6-protects-il10-mice-from-colitis-by-limiting-colonization-of-akkermansia-muciniphila
#13
Sergey S Seregin, Natasha Golovchenko, Bryan Schaf, Jiachen Chen, Nicholas A Pudlo, Jonathan Mitchell, Nielson T Baxter, Lili Zhao, Patrick D Schloss, Eric C Martens, Kathryn A Eaton, Grace Y Chen
Dysfunction in host immune responses and pathologic alterations in the gut microbiota, referred to as dysbiosis, can both contribute to the development of inflammatory bowel disease (IBD). However, it remains unclear how specific changes in host immunity or the microbiota cause disease. We previously demonstrated that the loss of the innate immune receptor NLRP6 in mice resulted in impaired production of interleukin-18 (IL-18) and increased susceptibility to epithelial-induced injury. Here, we show that NLRP6 is important for suppressing the development of spontaneous colitis in the Il10(-/-) mice model of IBD and that NLRP6 deficiency results in the enrichment of Akkermansia muciniphila...
April 25, 2017: Cell Reports
https://www.readbyqxmd.com/read/28430754/biomarkers-for-early-acute-kidney-injury-diagnosis-and-severity-prediction-a-pilot-multicenter-canadian-study-of-children-admitted-to-the-icu
#14
Jennifer Palermo, Allison B Dart, Alanna De Mello, Prasad Devarajan, Ronald Gottesman, Gonzalo Garcia Guerra, Greg Hansen, Ari R Joffe, Cherry Mammen, Nick Majesic, Catherine Morgan, Peter Skippen, Michael Pizzi, Ana Palijan, Michael Zappitelli
OBJECTIVE: Acute kidney injury occurs early in PICU admission and increases risks for poor outcomes. We evaluated the feasibility of a multicenter acute kidney injury biomarker urine collection protocol and measured diagnostic characteristics of urine neutrophil gelatinase-associated lipocalin, interleukin-18, and liver fatty acid binding protein to predict acute kidney injury and prolonged acute kidney injury. DESIGN: Prospective observational pilot cohort study...
April 20, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28430696/sequential-analysis-of-a-panel-of-biomarkers-and-pathologic-findings-in-a-resuscitated-rat-model-of-sepsis-and-recovery
#15
Nishkantha Arulkumaran, Marije L Sixma, Elisa Jentho, Elias Ceravola, Paul S Bass, John A Kellum, Robert J Unwin, Fred W K Tam, Mervyn Singer
OBJECTIVES: To characterize the temporal pattern of a panel of blood and urinary biomarkers in an animal model of fecal peritonitis and recovery. DESIGN: Prospective observational animal study. SETTING: University research laboratory. SUBJECTS: Male Wistar rats. INTERVENTIONS: A fluid-resuscitated, long-term (3 d) rat model of sepsis (fecal peritonitis) and recovery was used to understand the temporal association of sepsis biomarkers in relation to systemic hemodynamics, inflammation, and renal function...
April 20, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28429571/melatonin-antagonizes-interleukin-18-mediated-inhibition-on-neural-stem-cell-proliferation-and-differentiation
#16
Zheng Li, Xingye Li, Matthew T V Chan, William Ka Kei Wu, DunXian Tan, Jianxiong Shen
Neural stem cells (NSCs) are self-renewing, pluripotent and undifferentiated cells which have the potential to differentiate into neurons, oligodendrocytes and astrocytes. NSC therapy for tissue regeneration, thus, gains popularity. However, the low survivals rate of the transplanted cell impedes its utilities. In this study, we tested whether melatonin, a potent antioxidant, could promote the NSC proliferation and neuronal differentiation, especially, in the presence of the pro-inflammatory cytokine interleukin-18 (IL-18)...
April 21, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28417544/urine-biomarkers-of-acute-kidney-injury-in-noncritically-ill-hospitalized-children-treated-with-chemotherapy
#17
Maya Sterling, Zubaida Al-Ismaili, Kelly R McMahon, Melissa Piccioni, Michael Pizzi, Theresa Mottes, Larry C Lands, Sharon Abish, Adam J Fleming, Michael R Bennett, Ana Palijan, Prasad Devarajan, Stuart L Goldstein, Maureen M O'Brien, Michael Zappitelli
BACKGROUND: Cisplatin (Cis), carboplatin (Carb), and ifosfamide (Ifos) are common nephrotoxic chemotherapies. Biomarkers of tubular injury may allow for early acute kidney injury (AKI) diagnosis. PROCEDURE: We performed a two-center (Canada, United States) pilot study to prospectively measure serum creatinine (SCr), urine neutrophil gelatinase-associated lipocalin (NGAL), and interleukin-18 (IL-18) in children receiving Cis/Carb (27 episodes), Ifos (30 episodes), and in 15 hospitalized, nonchemotherapy patients...
April 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28415798/tumor-derived-il-18-induces-pd-1-expression-on-immunosuppressive-nk-cells-in-triple-negative-breast-cancer
#18
In Hae Park, Han Na Yang, Kyoung Joo Lee, Tae-Sik Kim, Eun Sook Lee, So-Youn Jung, Youngmee Kwon, Sun-Young Kong
PURPOSE: While the inflammatory cytokine interleukin-18 (IL-18) is known to activate natural killer (NK) cells, its precise role in cancer is controversial. In this study, we investigated the role of tumor-derived IL-18 on peripheral blood NK cells in breast cancer patients. RESULTS: In breast cancer cell lines, IL-18 was expressed and secreted in the triple-negative breast cancer (TNBC) cell lines MDA-MB-231 and HCC-70 but not in MCF-7 cells. The immature and non-cytotoxic CD56dimCD16dim/- NK cell fraction was increased following co-culture with MDA-MB-231 cells, and this increase was not observed with tumor cells transfected with siRNA for IL-18 or in MCF-7 cells...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28408434/renal-and-vascular-effects-of-uric-acid-lowering-in-normouricemic-patients-with-uncomplicated-type-1-diabetes
#19
Yuliya Lytvyn, Ronnie Har, Amy Locke, Vesta Lai, Derek Fong, Andrew Advani, Bruce A Perkins, David Z I Cherney
Higher plasma uric acid (PUA) levels are associated with lower GFR and higher blood pressure (BP) in patients with type 1 diabetes (T1D). Our aim was to determine the impact of PUA lowering on renal and vascular function in patients with uncomplicated T1D.T1D patients (n=49) were studied under eu- and hyperglycemic conditions at baseline and after PUA lowering with febuxostat (FBX) for 8 weeks. Healthy controls (HC) were studied under normoglycemic conditions (n=24). PUA, GFR (inulin), effective renal plasma flow (ERPF, paraaminohippurate), BP and hemodynamic responses to an infusion of angiotensin II (assessment of intrarenal RAAS) were measured pre- and post-FBX...
April 13, 2017: Diabetes
https://www.readbyqxmd.com/read/28401330/cordycepin-confers-neuroprotection-in-mice-models-of-intracerebral-hemorrhage-via-suppressing-nlrp3-inflammasome-activation
#20
Yijun Cheng, Yongxu Wei, Wenlei Yang, Yaying Song, Hanbing Shang, Yu Cai, Zhebao Wu, Weiguo Zhao
Neuroinflammation has been recognized as a major contributor to brain injury caused by intracerebral hemorrhage (ICH). Nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome acts as an important mediator of inflammatory response in various inflammation-related diseases including hemorrhagic insults. Cordycepin has recently been shown to possess anti-inflammatory effect; however, its role and the possible underlying mechanisms in ICH remain unclear. This study was designed to investigate the neuroprotective effect of cordycepin in mice models of ICH and to elucidate the underlying molecular mechanisms...
April 11, 2017: Metabolic Brain Disease
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